Mole Day 1926

Saturday, 23 October 1926

Mole Day is a celebration of chemistry observed on 23 October, honouring Avogadro's number (6.02×10²³) and encouraging interest in science through educational activities and events.

Frequently asked questions

When is Mole Day 1926?
Mole Day 1926 is on Saturday, 23 October 1926.
What day of the week is Mole Day 1926?
It falls on Saturday.
How is Mole Day calculated?
This event is observed every year on 23 October.